Mercedes W205 Door Window Weatherstrip Rear Right O/S Trim Seal A2057370271

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W205 Door Window Weatherstrip Rear Right O/S Trim Seal is an original body component designed for the rear right door window in W205 series models. It ensures a tight window seal, reduces wind noise, and protects the interior from moisture, while maintaining the factory finish. Thanks to its precise fit for the specific mounting location, it is a convenient, functional, and technically reliable solution.

Specifications and technical data

• SKU: A2057370271
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057370271
• Substitutable numbers: A2057370271, A 205 737 02 71
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and function of the component

The rear right door window weatherstrip seal in the Mercedes-Benz W205 is responsible for stable window guidance and maintaining proper sealing between the glass and the door panel. A correctly selected component in this area:

• limits the ingress of water and contaminants into the door interior,
• reduces wind noise when driving at higher speeds,
• supports the proper operation of the window regulator mechanism,
• helps maintain stable pressure of the window against the door frame.

Its placement on the rear right side of the vehicle makes this component essential for the acoustic comfort of rear passengers and for the long-term protection of the door structure.

Compatibility and fitment

As a part dedicated to the W205 series, the trim has been designed for the specific geometry of the door and the shape of the window. This means that:

• the seal profile corresponds to factory body tolerances,
• mounting points are compatible with the original holes and clips in the door,
• there is no need for modifications or forced adjustments during installation.

Such a solution facilitates workshop work and shortens repair time, while allowing for a consistent appearance of the side body line. Original Mercedes branding ensures adherence to the quality standards set by the vehicle manufacturer.

Characteristics of the used component

The presented window weatherstrip seal is a second-hand market component, which allows for cost-effective repair without compromising on the original design. A used component of this type is a good solution in situations where:

• mechanical damage to the door or window has occurred and the seal needs replacement,
• the old seal is worn, perished, or deformed,
• it is important to maintain compliance with the factory assembly standard.

Choosing such a component helps reduce repair costs while maintaining the proper functionality of the door area.

Benefits of installation in the rear right door area

Installing the window weatherstrip seal in the rear right part of the vehicle translates into several practical operational benefits:

• better protection of the door interior against corrosion resulting from water ingress,
• stable window operation during frequent opening and closing,
• more uniform window adhesion to the frame, which improves acoustic comfort,
• maintenance of an aesthetic contact line between the window and the door panel.

For users who value visual and technical consistency of the entire side body, a correctly selected seal is an important element of long-term vehicle operation.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as seals, guide rails, or small mounting components, check the available parts in the Other Mercedes category.

Technical support and additional information

When selecting body parts and components related to window guidance, it is worth paying attention to the structural differences between individual model versions and equipment packages. Technical materials and comparisons of solutions used by different manufacturers can be helpful – for example, sports versions of vehicles often use different configurations of reinforcements and seals, which affects the overall body performance. In the broader context of premium car construction, you can familiarize yourself with the analysis of solutions used in high-performance cars by reading the article Audi RS vs other models – what is hidden under the hood and chassis?.

If you are considering using second-hand components for body repairs or replacing door elements, it is worth knowing the specifics of such solutions and their impact on the aesthetics and durability of the vehicle. Practical tips in this regard can be found in the material Replacing body parts with used ones – can salvaged body parts look like new?, which discusses, among other things, the use of used components in premium brand cars, including Mercedes.